Research Article: Aqua­(1,10-phenanthroline-κ2N,N′)(dl-threoninato-κ2N,O1)copper(II) chloride dihydrate

Date Published: May 01, 2010

Publisher: International Union of Crystallography

Author(s): Yi-Han Tan, Siang-Guan Teoh, Kei-Lin Sek, Wan-Sin Loh, Hoong-Kun Fun.


The asymmetric unit of the title compound, [Cu(C4H8NO3)(C12H8N2)(H2O)]Cl·2H2O, contains a complex cation, a chloride anion and two water mol­ecules. The CuII ion has a distorted square-pyramidal coordination geometry formed by one bidentate phenanthroline ligand, one O,N-bidentate dl-threoninate ligand and one apical water mol­ecule. In the crystal structure, inter­molecular O—H⋯O, N—H⋯O, N—H⋯Cl and O—H⋯Cl hydrogen bonds link the components into layers. A single weak inter­molecular C—H⋯O inter­action connects these layers into a three-dimensional network.

Partial Text

For background to the inter­actions of transition-metal complexes with DNA, see: Vaidyanathan & Nair (2003 ▶); Rao et al. (2007 ▶, 2008 ▶); Kumar & Arunachalam (2007 ▶); Patel et al. (2006 ▶); Wang et al. (2007 ▶); Zhang et al. (2004 ▶). For a related structure, see: Lu et al. (2004 ▶). For standard bond-length data, see: Allen et al. (1987 ▶).




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